def test_invalid_format_errors(f2003_create):
'''Check that invalid format for the match method raises a
NoMatchError exception.
'''
for my_input in [None, "", " ", "//", "a /", "/ a", "::", "a :",
": a", "pp", "a p", "p a"]:
with pytest.raises(NoMatchError):
_ = Control_Edit_Desc(my_input)
def test_dollar_invalid(f2003_create, monkeypatch):
'''Check that valid '$' format specifications raise a NoMatchError if
the 'dollar-format' extension is not in the EXTENSIONS list.
'''
from fparser.two import utils
monkeypatch.setattr(utils, "EXTENSIONS", [])
for my_input in ["$", " $ "]:
with pytest.raises(NoMatchError):
_ = Control_Edit_Desc(my_input)
def test_descriptors_subclass(f2003_create):
'''Check that valid control edit descriptors are parsed correctly when
they are passed onto subclasses. In this case we just test a
single example for each subclass to see if valid values are passed
on, as the subclass tests check all the options.
'''
for my_input in ["T2", "SS", "BN", "RU", "DC"]:
ast = Control_Edit_Desc(my_input)
assert str(ast) == my_input.upper()
def test_dollar_valid(f2003_create, monkeypatch):
'''Check that valid $ format specifications are parsed correctly if
the dollar-descriptor extension is specified. Also include an
example with spaces.
'''
from fparser.two import utils
monkeypatch.setattr(utils, "EXTENSIONS", ["dollar-descriptor"])
for my_input in ["$", " $ "]:
ast = Control_Edit_Desc(my_input)
assert str(ast) == my_input.upper().replace(" ", "")
def test_descriptors_match(f2003_create):
'''Check that valid control edit descriptors are parsed correctly when
they are dealt with by the match method. These are '/', ':', 'P'
and '$'. '$' is dealt with in separate tests as it is an
extension. We test with and without spaces.
'''
for my_input in ["/", " / ", "2/", " 2 / ", ":", " : ", "2P", " 2 P ",
"2p", " 2 p "]:
ast = Control_Edit_Desc(my_input)
assert str(ast) == my_input.upper().replace(" ", "")
def test_internal_error1(f2003_create, monkeypatch):
'''Check that an internal error is raised if the length of the Items
list is not 2 as the str() method assumes that it is.
'''
my_input = "3P"
ast = Control_Edit_Desc(my_input)
monkeypatch.setattr(ast, "items", [None, None, None])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "has '3' items, but expecting 2." in str(excinfo.value)
def test_internal_error2(f2003_create, monkeypatch):
'''Check that an internal error is raised if the descriptor name
(first entry of items) is empty or None as the str() method assumes
that it is a string with content.
'''
my_input = "3P"
ast = Control_Edit_Desc(my_input)
for content in [None, ""]:
monkeypatch.setattr(ast, "items", [ast.items[0], content])
with pytest.raises(InternalError) as excinfo:
str(ast)
assert "should be an edit descriptor name but is empty or None" \
in str(excinfo.value)